Root pressure is due to
In C3-plants, the first stable product of photosynthesis during the dark reaction is
malic acid
oxaloacetic acid
3-phosphoglyceric acid
phosphoglyceraldehyde
Loss of water from the tips of leaves is called
guttation
In rainy season, the doors and windows swell up due to
When the fluid outside a cell has a greater concentration of a given molecule than the fluid inside the cell, the external fluid is
The osmotic pressure of the cell sap is more in
Sachs
Nollet
Pffefer
Which of the following is the initiating step in photosynthesis ?
ATP formation
glucose formation
photolysis of water
activation of chlorophyll by sunlight
A plasmolysed cell can be deplasmolysed by placing it in